package android.cmpe451.group7.activity;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.os.Bundle;
import android.app.Activity;
import android.app.ProgressDialog;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Uploads image activity.
 *
 */
public class UploadImageActivity extends Activity {

	TextView tv;
	Button b;
	int serverResponseCode = 0;
	ProgressDialog dialog = null;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_upload_image);

		b = (Button) findViewById(R.id.but);
		tv = (TextView) findViewById(R.id.tv);
		tv.setText("Uploading file path :- '/storage/sdcard0/WhatsApp/Media/WhatsApp Images/IMG-20130323-WA0000.jpg'");

		b.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				dialog = ProgressDialog.show(UploadImageActivity.this, "",
						"Uploading file...", true);
				new Thread(new Runnable() {
					public void run() {
						runOnUiThread(new Runnable() {
							public void run() {
								tv.setText("uploading started.....");
							}
						});
						int response = uploadFile("/storage/sdcard0/WhatsApp/Media/WhatsApp Images/IMG-20130323-WA0000.jpg");
						System.out.println("RES : " + response);
					}
				}).start();
			}
		});
	}

	/**
	 * @param sourceFileUri
	 * @return
	 */
	public int uploadFile(String sourceFileUri) {
		String upLoadServerUri = "http://10.0.2.2/upload_test/upload_media_test.php";
		String fileName = sourceFileUri;

		HttpURLConnection conn = null;
		DataOutputStream dos = null;
		String lineEnd = "\r\n";
		String twoHyphens = "--";
		String boundary = "*****";
		int bytesRead, bytesAvailable, bufferSize;
		byte[] buffer;
		int maxBufferSize = 1 * 1024 * 1024;
		File sourceFile = new File(sourceFileUri);
		if (!sourceFile.isFile()) {
			Log.e("uploadFile", "Source File Does not exist");
			return 0;
		}
		try { // open a URL connection to the Servlet
			FileInputStream fileInputStream = new FileInputStream(sourceFile);
			URL url = new URL(upLoadServerUri);
			conn = (HttpURLConnection) url.openConnection(); // Open a HTTP
																// connection to
																// the URL
			conn.setDoInput(true); // Allow Inputs
			conn.setDoOutput(true); // Allow Outputs
			conn.setUseCaches(false); // Don't use a Cached Copy
			conn.setRequestMethod("POST");
			conn.setRequestProperty("Connection", "Keep-Alive");
			conn.setRequestProperty("ENCTYPE", "multipart/form-data");
			conn.setRequestProperty("Content-Type",
					"multipart/form-data;boundary=" + boundary);
			conn.setRequestProperty("uploaded_file", fileName);
			dos = new DataOutputStream(conn.getOutputStream());

			dos.writeBytes(twoHyphens + boundary + lineEnd);
			dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\""
					+ fileName + "\"" + lineEnd);
			dos.writeBytes(lineEnd);

			bytesAvailable = fileInputStream.available(); // create a buffer of
															// maximum size

			bufferSize = Math.min(bytesAvailable, maxBufferSize);
			buffer = new byte[bufferSize];

			// read file and write it into form...
			bytesRead = fileInputStream.read(buffer, 0, bufferSize);

			while (bytesRead > 0) {
				dos.write(buffer, 0, bufferSize);
				bytesAvailable = fileInputStream.available();
				bufferSize = Math.min(bytesAvailable, maxBufferSize);
				bytesRead = fileInputStream.read(buffer, 0, bufferSize);
			}

			// send multipart form data necesssary after file data...
			dos.writeBytes(lineEnd);
			dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

			// Responses from the server (code and message)
			serverResponseCode = conn.getResponseCode();
			String serverResponseMessage = conn.getResponseMessage();

			Log.i("uploadFile", "HTTP Response is : " + serverResponseMessage
					+ ": " + serverResponseCode);
			if (serverResponseCode == 200) {
				runOnUiThread(new Runnable() {
					public void run() {
						tv.setText("File Upload Completed.");
						Toast.makeText(UploadImageActivity.this,
								"File Upload Complete.", Toast.LENGTH_SHORT)
								.show();
					}
				});
			}

			// close the streams //
			fileInputStream.close();
			dos.flush();
			dos.close();

		} catch (MalformedURLException ex) {
			dialog.dismiss();
			ex.printStackTrace();
			Toast.makeText(UploadImageActivity.this, "MalformedURLException",
					Toast.LENGTH_SHORT).show();
			Log.e("Upload file to server", "error: " + ex.getMessage(), ex);
		} catch (Exception e) {
			dialog.dismiss();
			e.printStackTrace();
			Toast.makeText(UploadImageActivity.this,
					"Exception : " + e.getMessage(), Toast.LENGTH_SHORT).show();
			Log.e("Upload file to server Exception",
					"Exception : " + e.getMessage(), e);
		}
		dialog.dismiss();
		return serverResponseCode;
	}

}
